Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to Copenhagen from $350

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Copenhagen departing on 8/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Copenhagen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:00 pm - 12:00 pm
DCA
-
CPH
38h 00m
2 stops
Air Canada Logo
11:35 am - 10:37 pm
CPH
-
DCA
17h 02m
1 stop
$728Air Canada
Mon, Nov 9 - Thu, Nov 12
British Airways Logo
5:39 pm - 11:35 am
DCA
-
CPH
11h 56m
1 stop
British Airways Logo
3:20 pm - 9:01 pm
CPH
-
DCA
11h 41m
1 stop
$731British Airways
Tue, Aug 25 - Sat, Aug 29
Multiple Airlines Logo
4:20 pm - 8:55 am
DCA
-
CPH
10h 35m
1 stop
Multiple Airlines Logo
12:15 pm - 9:48 pm
CPH
-
DCA
15h 33m
1 stop
$735Multiple Airlines
Sun, Aug 16 - Sat, Aug 22
United Airlines Logo
6:00 am - 8:55 am
DCA
-
CPH
20h 55m
1 stop
United Airlines Logo
12:15 pm - 9:46 am
CPH
-
DCA
27h 31m
2 stops
$740United Airlines
Fri, Aug 14 - Mon, Aug 24
Air Canada Logo
4:20 pm - 8:55 am
DCA
-
CPH
10h 35m
1 stop
Air Canada Logo
12:15 pm - 9:48 pm
CPH
-
DCA
15h 33m
1 stop
$743Air Canada
Thu, Aug 20 - Wed, Aug 26
British Airways Logo
5:35 pm - 11:35 am
DCA
-
CPH
12h 00m
1 stop
British Airways Logo
10:20 am - 8:54 pm
CPH
-
DCA
16h 34m
2 stops
$744British Airways
Sun, Aug 23 - Wed, Sep 2
Air Canada Logo
9:40 am - 8:55 am
DCA
-
CPH
17h 15m
1 stop
Air Canada Logo
12:15 pm - 9:48 pm
CPH
-
DCA
15h 33m
1 stop
$747Air Canada
Tue, Jul 28 - Sat, Aug 22
Air Canada Logo
11:00 am - 10:50 am
DCA
-
CPH
17h 50m
1 stop
Air Canada Logo
12:15 pm - 9:48 pm
CPH
-
DCA
15h 33m
1 stop
$751Air Canada
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
4:20 pm - 8:55 am
DCA
-
CPH
10h 35m
1 stop
United Airlines Logo
12:15 pm - 9:48 pm
CPH
-
DCA
15h 33m
1 stop
$753United Airlines
Thu, Aug 20 - Wed, Aug 26
Multiple Airlines Logo
6:23 pm - 4:10 pm
DCA
-
CPH
15h 47m
2 stops
Multiple Airlines Logo
1:55 pm - 11:33 pm
CPH
-
DCA
15h 38m
2 stops
$754Multiple Airlines
Wed, Sep 2 - Tue, Sep 8

Air Canada flights from Washington, D.C. Reagan-National Airport to Copenhagen

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Copenhagen flight tickets
Air Canada
Nov 9
DCA4:00 pmWashington, D.C. Reagan-National
38h 00m
2 stops
CPH12:00 pmKastrup Copenhagen
Nov 12
CPH11:35 amKastrup Copenhagen
17h 02m
1 stop
DCA10:37 pmWashington, D.C. Reagan-National
$728
Air Canada
Aug 20
DCA4:20 pmWashington, D.C. Reagan-National
10h 35m
1 stop
CPH8:55 amKastrup Copenhagen
Aug 26
CPH12:15 pmKastrup Copenhagen
15h 33m
1 stop
DCA9:48 pmWashington, D.C. Reagan-National
$743
Air Canada
Jul 28
DCA9:40 amWashington, D.C. Reagan-National
17h 15m
1 stop
CPH8:55 amKastrup Copenhagen
Aug 22
CPH12:15 pmKastrup Copenhagen
15h 33m
1 stop
DCA9:48 pmWashington, D.C. Reagan-National
$747

British Airways flights from Washington, D.C. Reagan-National Airport to Copenhagen

Our best British Airways deals on Washington, D.C. Reagan-National Airport to Copenhagen flight tickets
British Airways
Aug 25
DCA5:39 pmWashington, D.C. Reagan-National
11h 56m
1 stop
CPH11:35 amKastrup Copenhagen
Aug 29
CPH3:20 pmKastrup Copenhagen
11h 41m
1 stop
DCA9:01 pmWashington, D.C. Reagan-National
$731
British Airways
Aug 23
DCA5:35 pmWashington, D.C. Reagan-National
12h 00m
1 stop
CPH11:35 amKastrup Copenhagen
Sep 2
CPH10:20 amKastrup Copenhagen
16h 34m
2 stops
DCA8:54 pmWashington, D.C. Reagan-National
$744
British Airways
Aug 12
DCA1:55 pmWashington, D.C. Reagan-National
15h 40m
1 stop
CPH11:35 amKastrup Copenhagen
Aug 16
CPH3:20 pmKastrup Copenhagen
11h 53m
1 stop
DCA9:13 pmWashington, D.C. Reagan-National
$777

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Copenhagen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 29, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Copenhagen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Mon 11/9

4:00 pm-12:00 pm

2 stops38h 00m

Kastrup Copenhagen

Thu 11/12

11:35 am-10:37 pm

1 stop17h 02m

$728
Quickest round-trip

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Tue 8/25

5:39 pm-11:35 am

1 stop11h 56m

Kastrup Copenhagen

Sat 8/29

3:20 pm-9:01 pm

1 stop11h 41m

$731

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Sun 8/16

4:20 pm-8:55 am

1 stop10h 35m

Kastrup Copenhagen

Sat 8/22

12:15 pm-9:48 pm

1 stop15h 33m

$735

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Fri 8/14

6:00 am-8:55 am

1 stop20h 55m

Kastrup Copenhagen

Mon 8/24

12:15 pm-9:46 am

2 stops27h 31m

$740

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Thu 8/20

4:20 pm-8:55 am

1 stop10h 35m

Kastrup Copenhagen

Wed 8/26

12:15 pm-9:48 pm

1 stop15h 33m

$743

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Sun 8/23

5:35 pm-11:35 am

1 stop12h 00m

Kastrup Copenhagen

Wed 9/2

10:20 am-8:54 pm

2 stops16h 34m

$744

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Tue 7/28

9:40 am-8:55 am

1 stop17h 15m

Kastrup Copenhagen

Sat 8/22

12:15 pm-9:48 pm

1 stop15h 33m

$747

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Wed 8/12

11:00 am-10:50 am

1 stop17h 50m

Kastrup Copenhagen

Wed 8/19

12:15 pm-9:48 pm

1 stop15h 33m

$751

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Thu 8/20

4:20 pm-8:55 am

1 stop10h 35m

Kastrup Copenhagen

Wed 8/26

12:15 pm-9:48 pm

1 stop15h 33m

$753

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Wed 9/2

6:23 pm-4:10 pm

2 stops15h 47m

Kastrup Copenhagen

Tue 9/8

1:55 pm-11:33 pm

2 stops15h 38m

$754

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Copenhagen from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Copenhagen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Copenhagen?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Copenhagen is on a Tuesday when prices can be found for as low as $640. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Reagan-National Airport to Copenhagen for around $714.

What is the cheapest time of day to depart on your flight to Copenhagen?

Flying to Copenhagen from Washington, D.C. Reagan-National Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $479 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around $666. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Washington, D.C. Reagan-National Airport to Copenhagen

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Copenhagen according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Copenhagen (DCA to CPH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Copenhagen

Fastest flight time

10h 35m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Copenhagen takes 10h 35m
There are no direct flights from Washington, D.C. Reagan-National Airport to Copenhagen. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Copenhagen.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Copenhagen

  • How far is Washington, D.C. Reagan-National to Kastrup Copenhagen by plane?

    There are 4046.3 mi between Washington, D.C. Reagan-National and Kastrup Copenhagen. A reasonable flight in good conditions will take 10h 35m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport.

  • What documentation or ID do you need to fly to Kastrup Copenhagen Airport?

    The travel and health documents you'll need for your trip to Kastrup Copenhagen Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kastrup Copenhagen Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Kastrup
Roskilde

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Copenhagen?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Copenhagen for you.

Can I find flights from Washington, D.C. to Copenhagen with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Copenhagen flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Copenhagen?

Once all potential Washington, D.C. to Copenhagen flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Copenhagen right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Copenhagen flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Copenhagen trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 6/28
Sun 7/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Denmark